package com.eztlib;

public class COMPacket
{
	static
	{
		try {
			System.loadLibrary("EZTLIB");
		} catch (Exception e) {
			e.printStackTrace();
		} catch (Throwable e) {
			e.printStackTrace();
		}
	}

	public static native int HexStringToBytes(byte[] mbyte, int mlen, String Text);
	public static native String BytesToHexString(byte[] mbyte, int mlen);

	///bytes转换成十六进制字符串
	///@byte[] b 数组
	///@int len  数组长度
	//String addstr 每个Byte值之间 添加指定分隔字符
	public static String BytesToHexString(byte[] b,int len,String addstr)
	{
		StringBuilder sb = new StringBuilder("");
		for (int n=0;n<len;n++)
		{
			String stmp = Integer.toHexString(b[n]&0xff);
			sb.append((stmp.length()==1)? "0"+stmp : stmp);
			sb.append(addstr);
		}
		return sb.toString();
	}


	/// <summary>
	/// 端口打开
	/// </summary>
	/// <param name="mMode">端口模式 mMode=0 串口端口，mMode=1 USB HID端口</param>
	/// <param name="ComNumber">mMode=0 串口端口号，mMode=1 USB HID端口 VID</param>
	/// <param name="Baudrate">mMode=0 串口波特率，mMode=1 USB HID端口 PID</param>
	/// <returns>返回true表示成功，返回false表示失败</returns>
	public static native boolean COMOpen(String Port, int baudrate, int flags);

	/// <summary>
	/// 端口关闭
	/// </summary>
	/// <returns>返回true表示成功，返回false表示失败</returns>
	public static native boolean COMClose();

	/// <summary>
	/// 端口状态判断，是打开还是关闭
	/// </summary>
	/// <returns>返回true表示打开，返回false表示关闭</returns>
	public static native boolean COMIsopen();

	/// <summary>
	/// 端口发送数据
	/// </summary>
	/// <param name="pDataIn">要写入的数据</param>
	/// <param name="Inlen">数据长度</param>
	/// <returns>返回写入的数据长度</returns>
	public static native int COMSendBytes(byte[] pDataIn, int Inlen);

	/// <summary>
	/// 端口读取数据
	/// </summary>
	/// <param name="pDataOut">返回数据</param>
	/// <param name="Outlen">想要读取长度</param>
	/// <returns>返回读取到的数据长</returns>
	public static native int COMReadBytes(byte[] pDataOut, int len);

	/// <summary>
	/// 端口查询是否有数据可读取
	/// </summary>
	/// <returns>返回可读取长度</returns>
	public static native int COMBytesToRead();

	/// <summary>
	/// 端口获取缓冲区大小
	/// </summary>
	/// <returns>返回缓冲区大小</returns>
	public static native int COMBufMaxSize();

	/// <summary>
	/// 端口清空缓冲区
	/// </summary>
	/// <returns>返回true表示成功，返回false表示失败</returns>
	public static native boolean COMCleanBuf();
}